What Is a Communications System in Which Spread-Spectrum Techniques Are

question 17

Multiple Choice

What is a communications system in which spread-spectrum techniques are used to multiplex more than one signal within a single channel?

• A)CDMA
• B)CSMD
• C)CDDA
• D)CMMA

---

Definitions:

Interval Data

A type of data that consists of numerical scores that exist on a scale with equal intervals between values but no true zero point.

Nominal Data

Categorical data that cannot be ordered or ranked in a meaningful way.

Ordinal Data

A type of categorical data with a set order or scale, but without a standard spacing between the categories.

Relative Frequency Distribution

A representation of the proportion of observations within each category of a dataset, often visualized with a histogram or pie chart.